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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka2 draw
3 Kb2 draw
4 Kb3 draw
5 Rc2 draw
6 Rd2 draw
7 Re8 draw
8 Rg2 draw
9 Ra2 loss in 6 half-moves
10 Ka4 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves